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Electromagnetic Field Theory
The magnetic vector potential due to a single conductor carrying current is
zero.
none of tha above.
finite.
infinite.
zero.
none of tha above.
finite.
infinite.
Answer
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Related Question
Electromagnetic Field Theory
The inductance of a long solenoid of length 1000 mm wound uniformly with 3000 turns on a cylindrical paper cable of 60 mm diameter is
32 mH.
3.2 µH.
3.2 mH.
3.2 H.
32 mH.
3.2 µH.
3.2 mH.
3.2 H.
Answer
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Electromagnetic Field Theory
The heating time constant of an electrical machine gives an indication of its
short time rating.
overload capacity.
cooling.
rating.
short time rating.
overload capacity.
cooling.
rating.
Answer
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Electromagnetic Field Theory
Which of following is true for a purely inductive circuit ?
Reactive power of the circuit is zero.
Actual power of the circuit is zero.
Any capacitance even if present in the circuit will not be charged.
Apparent power of the circuit is zero.
Reactive power of the circuit is zero.
Actual power of the circuit is zero.
Any capacitance even if present in the circuit will not be charged.
Apparent power of the circuit is zero.
Answer
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Electromagnetic Field Theory
Electric field inside a hollow metallic charged sphere is
none of above.
increasing towards centre.
decreasing towards centre.
zero.
none of above.
increasing towards centre.
decreasing towards centre.
zero.
Answer
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Electromagnetic Field Theory
If the static magnetic flux density is B, then
Curl of B = J.
Divergence of B = J.
Curl of B = 0.
Divergence of B = 0.
Curl of B = J.
Divergence of B = J.
Curl of B = 0.
Divergence of B = 0.
Answer
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